For years the hacker known as “UNKN” ran two of the most destructive ransomware operations on the internet. Germany’s Federal Criminal Police — the Bundeskriminalamt, or BKA — now says that’s Daniil Maksimovich Shchukin, a 31-year-old from Krasnodar, Russia, who authorities believe still lives there.
Shchukin allegedly ran GandCrab from its January 2018 …



